The present invention directs an elastic hinge for quick-assembly leg including: a double-tooth of hinge, a screw, a spring core assembly and a leg; wherein the spring core assembly includes a elastic buckle, a single-tooth frame which is inserted in cavity of the elastic buckle, a core pin sleeved in a cavity of the elastic buckle which is formed after the single-tooth is assembled into the elastic buckle, and a spring sleeved on the core pin; the elastic buckle is provided with a fastening part and a leg is formed with locking part to engaged with the fastening part, and the removable part of the leg and the elastic hinge are assembled together.
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1. An elastic hinge for quick-assembly leg comprising:
a double-tooth hinge portion;
a screw;
a spring core assembly; and
a leg;
wherein the spring core assembly comprise an elastic buckle, a single-tooth frame which is inserted in a cavity of the elastic buckle, a core pin which is housed in a cavity of the elastic buckle after the single-tooth frame is assembled into the elastic buckle, and a spring sleeved on the core pin; the elastic buckle is provided with a fastening part and the leg is formed with a locking part to engaged with the fastening part, and the leg and the elastic hinge are removably assembled together;
the single-tooth frame comprises a forepart and a backpart, the forepart is approximate to circular, and a circular through-hole is formed thereon, the backpart is approximate to rectangle and a rectangle through-hole is provided thereon, a non-through groove is opened along the centre line from outside to inside at the end of backpart; the forepart of the single-tooth frame is connected to the double-tooth hinge portion via said screw, the groove at the backpart of the single-tooth frame is inserted into a slot formed at the corresponding part of the elastic buckle to be positioned, the rectangle through-hole is configured to contain the core pin and the spring sleeved on the core pin, the undersurface of the rectangle through-hole is configured to be against the undersurface of the spring and stop the movement of the hinge.
2. The elastic hinge for quick-assembly leg according to
3. The elastic hinge for quick-assembly leg according to
4. The elastic hinge for quick-assembly leg according to
5. The elastic hinge for quick-assembly leg according to
6. The elastic hinge for quick-assembly leg according to
a first elastic plate;
a second elastic plate which is parallel to the first elastic plate;
a backpart which is collected together and shaped as a unibody from the first elastic plate and second elastic plate;
the cavity formed between the first elastic plate and the second elastic plate;
a slot opened along the centre line at the backpart of the cavity of the elastic buckle, which is configured for a groove of the single-tooth frame to be inserted thereto and being communicated with the cavity;
a cantilever vertically protruded from the second elastic plate towards an opening of the cavity, being inserted in the rectangle through-hole of the single-tooth frame for positioning the core pin;
the fastening part, which is protruded outward from the first elastic plate; and
a L-type male fastener molded by the end of the fastening part, being resisted against a female fastener of opening end of leg housing.
7. The elastic hinge for quick-assembly leg according to
8. The elastic hinge for quick-assembly leg according to
a first elastic plate;
a second elastic plate;
a backpart which is collected together and shaped as a unibody from the first elastic plate and second elastic plate;
a slot opened along the centre line at the backpart of the cavity of the elastic buckle, which is configured for a groove of the single-tooth frame and cut through with the cavity;
a cantilever vertically protruded from the second elastic plate towards a opening of the cavity, being inserted in the rectangle through-hole of the single-tooth frame for positioning the core pin;
the fastening part having a first fastening part and a second fastening part, which is are protruded from the first elastic plate and the second elastic plate respectively and symmetrically; and
the locking part having a first L-type male fastener and a second L-type male fastener, with the first L-type male fastener being resisted against a first female fastener provided on the end of the first fastening part of the first opening of the leg housing,
the second L-type male fastener being resisted against a second female fastener provided on the end of the second fastening part of the second opening of the leg housing.
9. The elastic hinge for quick-assembly leg according to
10. The elastic hinge for quick-assembly leg according to
11. The elastic hinge for quick-assembly leg according to
12. The elastic hinge of quick-changed legs according to
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This application is a U.S. National Phase application under 35 U.S.C 371 of PCT/CN2011/078038 filed Aug. 4, 2011, which is incorporated by reference in its entirety for all purposes.
The present invention relates to an elastic hinge for quick-assembly leg.
The former quick-assembly leg mostly uses the elastic buckle into the hollow leg, and then the leg can be pulled out after press the elastic buckle. Typically, such as Chinese patent CN201145783Y, this glasses structure can only achieve the leg-changed without the function of elastic hinge.
Chinese patent CN200720172754.0 discloses a quick-disassembly glasses frame, which is aim to provide a glasses frame can be disassembled without the tools. The technical solution comprises a mounting head, a leg, a elastic plate and lamellate hinge, said elastic plate includes an square-hole-like elastic moving part and an elastic fastening part. On end of the lamellate hinge is arranged to be a square hole matched the elastic moving part, and a cut is arranged on the end of the square hole. The lamellate hinge is inserted inside the elastic moving part via the cut and can be rotated along the elastic moving part, and then the lamellate hinge and the elastic moving part are coordinated to form a space to arrange a spring. Another end of the lamellate hinge is arranged to be a ring-shape hinge joint which is matched and connected to the hook arranged on the mounting head. A through groove is arranged on the leg, and an opening is arranged on the leg with through groove, a cut is arranged on the leg which is set the through groove thereon. After the fastening of the elastic plate is inserted to the through groove of the leg, the elastic fastening part is connected to the said opening. It is a great progress that a function of the elastic hinge is presented in this technical proposal. But the elastic plate in this glasses frame comprises the elastic moving part and the elastic fastening part, the elastic fastening part and the elastic moving part are tandem arranged, whose structure seems loose and non-compact; the feature of the configured connection of this hinge and hook provided on the mounting head is too restrictive, which may cause the arc of leg closing up and hook opening to affect the appearance and it is hard to get a better locking effect; the plane of hook is vertical intersected with the plane of hinge, which makes the connecting method of the mounting head and leg via the screw cannot put into use, and the application scope and form of this quick-disassembly glasses frame are narrow and simple.
The object of present invention is to provide a compact structural, easy processed various forms and widely used elastic hinge for quick-assembly leg without tools.
The technical solution of the present invention is the elastic hinge for the quick-assembly leg, including a double-tooth of hinge, a screw, a spring core assembly and a leg; which characterized that the spring core assembly includes a elastic buckle, a single-tooth frame which is inserted in cavity of the elastic buckle, a core pin sleeved in a cavity of the elastic buckle which is formed after the single-tooth is assembled into the elastic buckle, and a spring sleeved on the core pin; the elastic buckle is provided with a fastening part and a leg is formed with locking part to engaged with the fastening part, and the removable part of the leg and the elastic hinge are assembled together.
Preferably, the single-tooth frame comprises two mutually perpendicular flat sheets whose structure are mutually perpendicular which are forepart and backpart, with the forepart being approximate to circular shape, and a circular through-hole being formed thereon, the backpart which is mutually perpendicular with this forepart is approximate to rectangle shape, and a rectangle through-hole is provided thereon, a non-through groove is formed along the centre line from outside to inside at the end of backpart; the forepart of single-tooth frame is actively connected to the double-tooth of the hinge via screw, the non-through groove at the backpart of the single-tooth frame is inserted into the slot formed at the corresponding part of the elastic buckle to be positioned, the rectangle through-hole is configured to contain the core pin and the spring sleeved on the core pin, the undersurface of the rectangle through-hole is configured to be against the undersurface of the spring and locking the hinge.
Preferably, the single-tooth frame is a flat sheet whose structure is in the same plane, its appearance of forepart is approximate to circular, and a circular through-hole is formed thereon, its appearance of backpart is approximate to rectangle, and a rectangle through-hole is provided thereon, a non-through groove is opened along the centre line from outside to inside at the end of backpart; the forepart of single-tooth frame is actively connected to the double-tooth of the hinge via screw, the groove at the backpart of the single-tooth frame is inserted into the slot formed at the corresponding part of the elastic buckle to be positioned, the rectangle through-hole is configured to contain the core pin and the spring sleeved on the core pin, the undersurface of the rectangle through-hole is configured to be against the undersurface of the spring and locking the hinge.
Preferably, the elastic buckle includes a first elastic plate, a second elastic plate which is parallel to the first elastic plate, a backpart which is collected together and shaped as a unibody from the first elastic plate and second elastic plate, the cavity formed between the first elastic plate and the second elastic plate, a slot opened along the centre line at the backpart of the cavity of the elastic buckle, which is configured for the groove of the single-tooth frame to be inserted thereto and being communicated with the cavity, a cantilever vertically protruded from the second elastic plate towards the opening of the cavity, being inserted in the rectangle through-hole of the single-tooth frame for positioning the core pin, a fastening part, which is protruded outward from the first elastic plate near its opening end, and a L-type male fastener molded by the end of the fastening part, being resisted against a female fastener of opening end of leg housing.
Preferably, the elastic buckle includes a first elastic plate, a second elastic plate which is parallel to the first elastic plate, a backpart which is collected together and shaped as a unibody from the first elastic plate and second elastic plate, a slot opened along the centre line at the backpart of the cavity of the elastic buckle, which is configured for the groove of the single-tooth frame and cut through with the cavity, a cantilever vertically protruded from the second elastic plate towards the opening of the cavity, being inserted in the rectangle through-hole of the single-tooth frame for positioning the core pin, a first and a second fastening part, which is protruded from the first and second elastic plate outwards near their opening ends respectively and symmetrically, a first L-type male fastener which is resisted against a first female fastener provided on the end of the first fastening part of the first opening of the leg housing, and a second L-type male fastener which is resisted against a second female fastener provided on the end of the second fastening part of the second opening of the leg housing.
Preferably, a cross inner-cavity is formed inside the end of the leg from outside to inside, and formed by the intersection of a horizontal flat hole and a vertical flat hole, a fastening part is formed by one side of one of the flat holes cut through with a small section of the inner side of the leg, the locking part is latch on the fastening part of the elastic buckle, an L-type female fastener which is provided for the male fastener of the elastic buckle to abut on is formed by a side of the fastening part and two sides at the top of closed flat hole.
Preferably, a non-through crossed inner cavity is set at one end of the leg from outside to inside, and formed by the intersection of a horizontal flat hole and a vertical flat hole, two sides of one of the flat hole are respectively cut through with a small section of up and down side of the leg, a length of opening is respectively formed on each up and down side of the leg, that is a locking part of the leg, the locking part is specially served for containing two fastening parts of the elastic buckle, two L-type female fasteners which are provided for male fasteners of the elastic buckle to abut on are formed by the side of the two openings and two sides at the top of closed flat hole.
Preferably, the core pin includes two cylinders whose head parts are stumpy, the pin parts are slim.
Compare to the prior art, the advantages of present invention as following:
1. Under the condition of without increasing the length of the elastic buckle, using the cantilever to combine the elastic buckle and the single-tooth frame satisfying both the containing of spring and the function of buckle, which is configured to be a structure compact.
2. The design whose 90 degree angle between the plane of the hinge hole of single-tooth frame and the plane of rectangle frame which contains the spring, and the single-tooth plane is perpendicular to the inner/outer face of the leg, thereby the hinge can achieve the connection of single/double tooth (plate) and screw.
3. Using a concept of the single-tooth and double-tooth screwed connection, which is convenient for the application in various kinds of glasses.
4. Using single buckle which increase the various ways to disassemble the leg, such as pinching the elastic buckle at up-down sides of the leg, inside or outside of the leg.
5. Using the core pin which can disassemble the hinge of the leg has reliable locking when stirring outward, and making the spring is not use in the solid condition.
Various preferred embodiments of the invention will now be described with reference to the figures, wherein like reference numerals designate similar parts throughout the various views.
Regarding to
Regarding to
Regarding to
Regarding to
Regarding to
Regarding to
In the other embodiments, the elastic buckle 32 also is not arrange a vertical part 3262, when the leg 4 is stirred outward, the elastic buckle 32 will not stretch outward, which is relied on the curve adapted to the leg housing to constrain the elastic plate 321, thereby to guarantee the topsurface 3261 of the elastic buckle 32 is abut on the first short plane 421 of the leg 4, and will not break away from its fastener.
For the easy installation in the production process, as commonly, the single-tooth frame 31, elastic buckle 32, core pin 33 and spring 34 are assembled to the spring core assembly 3.
The assembly of the spring core assembly 3 is regarded to
Installing the spring core pin assembly 3 into the leg 4: screw connecting the double-tooth of the hinge welded on the mounting head 5 and the single-tooth frame 31 of the spring core pin assembly via the screw 2, then the head 5 is pinched, which the spring core pin 3 is inserted inside the leg 4 through the cross cavity 41 of the leg. The elastic buckle is shrunk when inserting, then the protruded outward elastic fastening part 3211 of the elastic buckle 32 and the flat opening 4111 of the leg 4 will abut on adaptively after the spring core pin is put in place. The male fastener 326 of the elastic buckle 32 and the female fastener 42 are relied on each other, and the leg 4 can be assembly connected with the hinge.
Regarding to
Regarding to
Regarding to
Regarding to
Regarding to
In the other embodiments, the elastic buckle 32 also cannot be arrange a first vertical part 3262 and a second vertical part 3272, when the leg 4 is stirred outward, the elastic buckle 32 will not stretch outward, which is relied on the curve adapted to the housing of leg to constrain the elastic plate 321 and the elastic plate 322, thereby to guarantee the first topsurface 3261 and the second topsurface 3271 of the elastic buckle 32 is resisted against the first short plane 421 and the third short plane 441 of the leg 4, thereby will not break away from its fastener.
For the easy installation in the production process, as commonly, the single-tooth frame 31, elastic buckle 32, core pin 33 and spring 34 are assembled to the spring core assembly 3.
The assembly of the spring core assembly 3 is regarding to
Regarding to
Regarding to
While the invention has been described in connection with what are presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not to be limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 04 2011 | Elegance Optical Mfy. Limited | (assignment on the face of the patent) | / | |||
Aug 17 2012 | ELEGANCE OPTICAL MFY LIMITED | ELEGANCE OPTICAL SHENZHEN LIMITED | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 045491 | /0680 | |
Nov 07 2012 | NIU, SHOUYE | ELEGANCE OPTICAL MFY LIMITED | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 029302 | /0366 |
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